Microorganism synchronously removing ammonia and sulfureted hydrogen foul gas and method for preparing the same

Abstract

A microorganism which can remove the malodorous gas of NH3 and H2S synchronously and a preparation method thereof relate to the microorganism technical field and in particular to an efficient deodorization microorganism of the mixed malodorous gas in a sewage collecting and disposing establishment and the preparation method thereof. An acidithiobacillus thiooxidans CCW-Y2 strain provided by the present invention is conserved in the General Microorganism Center of China Committee for Culture Collections of Microorganisms, and the conversing serial number CGMCC No. is 2158. The strain is ammonium sulfate tolerant type and is obtained by sieving and separating from the activated sludge of the living sewage disposal factory. The culture conditions of the acidithiobacillus thiooxidans CCW-Y2 strain of the present invention are as follows: firstly, SOB culture medium is adopted, and the components of the culture medium are the dipotassium hydrogen phosphate of 2g / L, the potassium dihydrogen phosphate of 2g / L, the magnesium chloride (MgCl2 / 7H2O) of 0.2g / L, the ammonium sulfate of 10g / L, the ferrous sulfate (FeSO4 / 7H2O) of 0.01g / L and the powdered sulfur of 10g / L; secondly, the culture condition is the temperature of 28 DEG C to 32 DEG C and 180 circles per minute; thirdly, a carrier is water, and dilute sulfuric acid (or hydrochloric acid) is added for adjusting pH value to be 2.0 to 3.0. The acidithiobacillus thiooxidans CCW-Y2 strain of the present invention can be directly inoculated into a waste gas disposing establishment (such as a biological filtration tower) and can synchronously remove the mixed malodorous gas of the H2S and the NH3 efficiently, which simplifies the operation condition of the waste gas disposing establishment and ensures that the operation is more simple.

Description

technical field [0001] The invention provides a method for simultaneously and efficiently removing ammonia (NH 3 ) and hydrogen sulfide (H 2 S) Microorganisms for malodorous gases and preparation methods thereof, relating to the field of microbiological technology, in particular to highly efficient deodorizing microorganisms for mixed malodorous gases in sewage collection and treatment facilities and preparation methods thereof. Background technique [0002] With the development of the economy and the improvement of people's living standards, stench, as a major environmental hazard, has attracted more and more attention. NH 3 and H 2 S is the most common malodorous substance and is the main exhaust gas component widely present in industrial production processes (such as sewage treatment plants, feces treatment plants, food processing plants, leather industry, animal husbandry, and composting plants, etc.). Not only toxic, but also corrosive, it is an irritating odorous s...

AI Technical Summary

Problems solved by technology

However, due to differences in the suitable growth factors (such as pH, nutritional requirements) of different microorganisms, it is difficult to remove H 2 S and except NH 3 The microorganisms are under suitable environmental conditions at the same time, so it is difficult to maintain a high H at the same time 2 S and NH 3 Removal efficiency

Images